GASCO 34LS-374, Carbon Monoxide 50 PPM, Oxygen 18%, Balance Nitrogen contained in a 34 Liter Disposable Steel Cylinder, For Use with Any and All Gas Detectors, Cylinder Connection CGA 600, Calibration Certificate NIST, Made in the USA

 Order 34LS-374, from Cal Gas Direct Incorporated, GASCO Calibration Gas is Made in the USA, Easy Ordering, Excellent Customer Service, Largest Selection in the USA

GASCO Precision Calibration Gas also known as Cal Gas, is used for the Calibration and Maintenance of Gas Detectors and Sensors. All of our GASCO Calibration Gas Cylinders ship with a Certificate of Analysis (COA). GASCO Calibration Gas meets or exceeds the requirements of the Original Gas Detection Equipment Manufactures Specifications. GASCO Calibration Gas is National Institute of Standards and Technology (NIST) Traceable, GASCO Calibration Gas is Made in the USA, and produced using an ISO 9001:2008 certified process.